#specialist__specializer  an expert who is devoted to one occupation or branch of learning
  exclusion:  #generalist
  supertype:  #expert  a person with special knowledge or ability who performs skillfully
  subtype:  #enologist__oenologist__fermentologist  a specialist in wine making
  subtype:  #attache  a specialist assigned to the staff of a diplomatic mission
     subtype:  #cultural_attache  an attache who is a specialist in cultural matters
     subtype:  #military_attache  an attache who is a specialist in military matters
  subtype:  #canonist  a specialist in canon law
  subtype:  #criminologist  a specialist in criminology
     instance:  #Alphonse_Bertillon__Bertillon
  subtype:  #dietician__dietitian__nutritionist  a specialist in the study of nutrition
  subtype:  #educationist__educationalist  a specialist in the theory of education
  subtype:  #fingerprint_expert__fingerprintexpert__fingerprint_specialist__fingerprintspecialist__fingerprint_man__fingerprintman  a specialist in identifying fingerprints
  subtype:  #graphologist__handwriting_expert__handwritingexpert  a specialist in inferring character from handwriting
  subtype:  #interior_designer__designer__interior_decorator__house_decorator__housedecorator__room_decorator__decorator  a person who specializes in designing architectural interiors and their furnishings
     instance:  #Charles_Eames__Eames
  subtype:  #meteorologist  a specialist who studies processes in the earth's atmosphere that cause weather conditions
     subtype:  #weatherman__weather_forecaster__weatherforecaster  predicts the weather
  subtype:  #optometrist__oculist  a person skilled in testing for defects of vision in order to prescribe corrective glasses
  subtype:  #orientalist  a specialist in oriental subjects
  subtype:  #tree_surgeon__arborist  a specialist in treating damaged trees

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